One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,10)(4,7)(5,9)(6,14)(8,12)(11,15)(13,16)(17,18,21,19,22,24,29,26)(20,23,28,25,27,30,32,31)(1,3)(2,8)(4,11)(5,12)(6,15)(7,13)(9,16)(10,14) involution — undirected(2,4)(8,11)(9,14)(10,16)(17,19,21,24,22,26,29,18)(20,25,28,30,27,31,32,23)(1,4,7,2)(3,11,13,8)(5,9,6,14)(10,12,16,15)(17,20)(18,23)(19,25)(21,28)(22,27)(24,30)(26,31)(29,32)(1,5,7,6)(2,9,4,14)(3,12,13,15)(8,16,11,10)(20,27)(23,30)(25,31)(28,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.